Antifriction-bearing.



C. A. LATHAM. ANTIPRIGTION BEARING.

APPLIGATION FILED AUG. 2o, 1900.

Patented Aug. 8, 1911.

W TNEssL-s:

A UNITED sim-Tas cnnsrnn A. Lyman,

Specication of Letters Patent.

PA(Turri*v OFFICE. Y

or Wrenrrxfxnlsas Patented Aug. 8,1911.

Application led VAugust 20, 1900. Serial No. 27,495.

To all whom 'it may Y Be it known that I, CHESTER A. LA'THAM,

' a Citizen of the United states, residing at relates to anti-frictioncharacteristics that the rollers employed i may have direct engagementwith the bearing throughout their length and contact with the boxing atintervals, the boxing being formed to provide'for and insure a positivedistribution lof the lubricant.

Another object of the invention resides in the provision of means. forsupporting the rollers in direct engagement w1th the journal withoutsupporting the rollers in grooves or a` frame work, the boxing andjournal being so constructed that the rollers lmay roll freely and movebodily independently of one another or together between the journal andboxing.

With the above and other objects in view, the present inventionconsistswin the combination and arrangement' of parts hereinafter morefully described, illustrated in the accompanying drawings, Vandparticularly pointed out in the appended claun..

ture shown in Fig. 1.

VIn the drawings z-Figure -1 is a'longitudinall sectional viewof theinvention illustrating its application.v vFig'. 2 is a longitudinalsectional view of the boxing. Fig. 3 is atransverse sectional view ofthe struc- Referring now more particularly to the accompanying drawings,the reference c'harplurality -of oppositely arranged spiral bearlng ribs5 and grooves betweenr the ribs, each, v set of ribs and' grooves beingdirected from the center of the boxing toward theopposite ends thereoftol rovide for an even and .positive distribution ofthe lubricant.

The character 4 indicates an a xle having the periphery (if its journalbearing portion perfectly smooth for .direct engagementAtherewith-throughout the entire lengths of the bearing rollers 2uponwhich latter bear the aforesaid ribs 5. These rollers 2 roll aroundtheroller. bearing freely and without the employment of a frame-work orany other means other than bearings and boxing vto support them andtheyare held against longitudinal displacement by the collars 3 secured inany suitable manner to the axle against the 'ends of the shown inFig.1.A

' In an anti-friction bearing, an axle whose exterior is continuouslysmooth, stop collars at \the terminals thereof and `having flat, smoothinner faces, said `collars embracing boxing, as clearly the axle, aboxing lbetween the collars whose internal diameter is of greater crosssection than the cross section of the axle and whose internal surface isprovided with a'plurality *of op'positelyI arranged slightly curvedspiral bearing ribs and interveningcorrespondingly curvedgrooves-between the ribs, said. ribs and grooves extending spirally andoutwardly from a Ypoint intermediate the ends of the boxing withtheouter ends of i.

the grooves4 opening through the ends of the boxing and communicatingwith each other attheir inner ends, and rollers each having a smoothperipheral surface and Idisposed between said axle and the ribs of saidboxing and extending between said stop collars,

said rollers having longitudinal play be'- tween said collars, thegrooves insuring a distribution' of the lubricant tothe rollers- .and'directly to` the inner faces of said acter 1 indicatesaboxing providedwith a CHESTER A. LATHAM. Witnesses:' Go. F..PoND,

` `Gr. H. PoND.

